C3IS INC

Historical 13F Holders

Symbol
CISS
CUSIP
Y18284151
All holders as of
Q1 2025
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Shares Held, Excluding Options
Total Filers

13D/G Filers

Each filer's latest filing for Y18284151 since 12/18/2024, largest first.

Filer % of Class Filed
Under 5%, checked the "5 percent or less" box, or amended by a later filing (2)
Imperial Petroleum Inc./Marshall Islands 13D/A
Amended under CUSIP Y18284169 on 10/10/2025
73.1% 1/14/2025
Event 1/10/2025
L1 Capital Global Opportunities Master Fund, Ltd. 13G/A 4.99% 2/14/2025
Event 12/31/2024

13F Holders by Quarter

Period Filers Shares, Excl. Options Value, Excl. Options
2025 Q1 4 206 k $134 k
2024 Q4 1 113 $65.00